ATX-6953-COM

文件:ATX-6953-COM.jpg

ATX-6953-COM

COM1-COM2：

Pin	信号名称
1	DCD
2	RXD
3	TXD
4	DTR
5	GND
6	DSR
7	RTS
8	CTS
9	RI

当COM1，COM2设置为RS232/RS422/RS485时，COM1,COM2定义：

Pin	RS232（默认）	RS422	RS485
1	DCD	TX-	DATA-
2	RXD	TX+	DATA+
3	TXD	RX+	NC
4	DTR	RX-	NC
5	GND	GND	GND
6	DSR	NC	NC
7	RTS	NC	NC
8	CTS	NC	NC
9	RI	NC	NC

• COM1，COM2 跳线功能设置（J1，J2，J3，J4，J5，J6）：

COM1	AS RS232 PORT	COM1	AS RS422 PORT	COM1	AS RS485 PORT
J4	1-3 2-4	J4	3-5 4-6	J4	3-5 4-6
J5	1-3 2-4	J5	3-5 4-6	J5	3-5 4-6
J6	1-2	J6	3-4	J6	5-6 7-8

COM2	AS RS232 PORT	COM2	AS RS422 PORT	COM2	AS RS485 PORT
J1	1-3 2-4	J1	3-5 4-6	J1	3-5 4-6
J2	1-3 2-4	J2	3-5 4-6	J2	3-5 4-6
J3	1-2	J3	3-4	J3	5-6 7-8

COM3-COM6：

信号名称	Pin	Pin	信号名称
DCD#	1	2	DSR#
SIN	3	4	RTS#
SOUT	5	6	CTS#
DTR#	7	8	RI#
GND	9	10	COM_PIN10

J9：

Pin	信号名称
1	+5V
2	COM_PIN10
3	+12V